How can we track the sources of increased CO2 in the atmosphere?

Dec 7, 2023 ... Today atmospheric carbon dioxide is at its highest level in at least several million years thanks to widespread combustion of fossil fuels ... Jun 1, 2020 ... ... percent if atmospheric transport is perfectly known (8). In this ... Peters et al., An atmospheric perspective on North American carbon dioxide ... Do wildfires contribute to climate change? Yes. Wildfires release carbon dioxide (CO2) ... atmosphere and contribute to anthropogenic climate change because ... Sep 4, 2020 ... The ocean is a sink for ~25% of the atmospheric CO2 emitted by human activities, an amount in excess of 2 petagrams of carbon per year (PgC ... The carbonate ion concentration of surface sea water will decrease by an estimated 30 percent with a doubling of atmospheric CO 2 from preindustrial levels (280 ... ... percent of fossil-fuel emissions stay in the air. From climate.nasa.gov. © NASA. If we split our atmosphere today into 1 million parts, 421 of them would be ... At 150 PPM the plants begin to respire, and photosynthesis is stopped. At this low level the plant will no longer be able to obtain CO2 from the atmosphere and ... Jun 16, 2011 ... ... atmosphere while about 45 percent has stayed in the atmosphere. Eventually, the land and oceans will take up most of the extra carbon dioxide ... Jan 2, 2023 ... Some researchers believe that approximately 0.045% by volume is the maximum more or less acceptable concentration of CO2 in the atmosphere. Aug 8, 2016 ... It varies based on the individual and the study. Here is a very comprehensive study. Some excerpts: > Submarine crew are reported to be the ...